Era
20th century
12
1904-1971
11
1905-1936
11
1951-
10
19th century
10
1861-1896
9
1900-1999
9
1800-1899
7
1942-1955
6
Since 1951
6
1875-
5
1846-1889
4
1846-1912
4
1899-1947
4
21st century
4
Since 1875
4
-1955
3
-1982
3
1800 - 1899
3
1907-
3
1910-1999
3
1941-
3
1980-
3
1980-2020
3
19e siècle
3
2000-2099
3
1865-1918
2
1909-1924
2
1941-1991
2
Geschichte 1900-1968
2
-1888
1
-1924
1
1850-1882
1
1862-
1
1865 - 1918
1
1865 1918
1
1905 or 6-1936
1
1907-1987
1
1908-1975
1
1909-1972
1
1910-
1
1918-
1
1934-1975
1
1934-1977
1
1936-
1
1939-1945
1
1961-
1
1967-1977
1
1975-
1
1977-
1
more ...